MBX Biosciences Announces Executive Leadership Transition to Support the Company’s Next Phase of Growth

CARMEL, Ind. and BURLINGTON, Mass., July 13, 2026 (GLOBE NEWSWIRE) -- MBX Biosciences, Inc. (Nasdaq: MBX), a clinical-stage biopharmaceutical company focused on the discovery, development and commercialization of novel precision peptide therapies for the treatment of endocrine and metabolic disorders, today announced that its Board of Directors has appointed Steve Hoerter, current Executive Chairman of the Board, as its new Chairman and Chief Executive Officer. Mr. Hoerter succeeds Kent Hawryluk, who will step down as President, Chief Executive Officer and a member of the Board of Directors. In addition, the Board has appointed John Smither, current Interim Chief Financial Officer, as the Company’s new Chief Financial Officer. All leadership changes are effective immediately.